nickel 50 l 0.02 - 1 mg/l ni dimethylglyoxime...nickel 50 l 0.02 - 1 mg/l ni dimethylglyoxime 255...
TRANSCRIPT
Nickel 50 L
0.02 - 1 mg/l Ni
Dimethylglyoxime
255
Instrument specific information
The test can be performed on the following devices. In addition, the required cuvette and the absorption range of the photometer are indicated.
Instrument Type Cuvette λ Measuring Range
SpectroDirect, XD 7000, XD 7500
□ 50 mm 443 nm 0.02 - 1 mg/l Ni
Material
Required material (partly optional):
Reagents Packaging Unit Part Number
Nickel Reagent Test 1 pc. 2419033
The following accessories are required.
Accessory Packaging Unit Part Number
Measuring spoon no. 8, black 1 pc. 424513
Application List
• Galvanization • Raw Water Treatment • Waste Water Treatment
Preperation
1. The test sample and the reagents should be at room temperature when undertaking the test.
2. The pH value of the sample must be between 3 and 10.
Nickel 50 L / 255
NL Handboek van Methoden 08/18EN Handbook of Methods 08/18
Implementation of the provision Nickel with Reagents testSelect the method on the device
For this method, no ZERO measurements are to be carried out with the following de-vices: XD 7000, XD 7500
50 mm
Fill 50 mm vial with sam-ple.
50 mm
Place sample vial in the sample chamber. • Pay attention to the positioning.
Zero
Press the ZERO button.
50 mm
Remove vial from the sam-ple chamber.
Empty vial. Dry the vial thoroughly.
For devices that require no ZERO measurement , start here.
10 ml
Fill a suitable sample vessel with 10 ml sample .
2
Add 2 level measuring scoop No. 8 (black) Ni-ckel-51 .
Invert several times to mix the contents.
Nickel 50 L / 255
NL Handboek van Methoden 08/18EN Handbook of Methods 08/18
0.2 ml
Add 0.2 ml Nickel-52. Invert several times to mix the contents.
50 mm
Fill 50 mm vial with sam-ple.
50 mm
Place sample vial in the sample chamber. • Pay attention to the positioning.
Test
Press the TEST (XD: START) button.
9
4
56
7
8
10
11 121
2
3
3 min
Wait for 3 minute(s) reac-tion time.
Once the reaction period is finished, the measurement takes place automatically.
The result in mg/l Nickel appears on the display.
Nickel 50 L / 255
NL Handboek van Methoden 08/18EN Handbook of Methods 08/18
Chemical Method
Dimethylglyoxime
Appendix
Bibliography
Photometrische Analyseverfahren, Schwedt, Wissenschaftliche Verlagsgesellschaft mbH, Stuttgart 1989
a) determination of free, combined and total | b) Reactor is necessary for COD (150 °C), TOC (120 °C) and total -chromium, - phosphate, -nitrogen, (100 °C) | c) MultiDirect: Adapter is necessary for Vacu-vials® (Order code 19 20 75) | d) Spectroquant® is a Merck KGaA Trademark | e) alternative reagent, used instead of DPD No.1/No.3 in case of turbidity in the water sample caused by high concentration of calcium and/or high conductivity | f) additionally required for determination of bromine, chlorine dioxide and ozone in the presence of chlorine | g) Reagent recovers most inso-luble iron oxides without digestion | h) additionally required for samples with hardness values above 300 mg/l CaCO3 | i) high range by dilution | # including stirring rod, 10 cm
Nickel 50 L / 255
NL Handboek van Methoden 08/18EN Handbook of Methods 08/18